Questions 23～25 are based on the following news from the BBC or the VOA. At the end of the news item, you will be given 15 seconds to answer the three questions. Now listen to the news.
Where is the researches based in

A．they feel that this technology could post as a potential threat to the US
B．they are worried the new technology might be used against Taiwan
C．they fear that it might spark tension in the Taiwan Straits
D．this deal could trigger a new round of arms race around the world

What do the scientists hope to do in the future
A. Reduce sleep. B, Control the way people feel.
C. Control the way people perform. D. Both B and C.